EP2242829B1 - Laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particle - Google Patents
Laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particle Download PDFInfo
- Publication number
- EP2242829B1 EP2242829B1 EP08869542A EP08869542A EP2242829B1 EP 2242829 B1 EP2242829 B1 EP 2242829B1 EP 08869542 A EP08869542 A EP 08869542A EP 08869542 A EP08869542 A EP 08869542A EP 2242829 B1 EP2242829 B1 EP 2242829B1
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- EP
- European Patent Office
- Prior art keywords
- particle
- composition
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- weight
- perfume
- Prior art date
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- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
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- PMPJQLCPEQFEJW-HPKCLRQXSA-L disodium;2-[(e)-2-[4-[4-[(e)-2-(2-sulfonatophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC=C1\C=C\C1=CC=C(C=2C=CC(\C=C\C=3C(=CC=CC=3)S([O-])(=O)=O)=CC=2)C=C1 PMPJQLCPEQFEJW-HPKCLRQXSA-L 0.000 description 1
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 1
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- 159000000001 potassium salts Chemical class 0.000 description 1
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- 241000894007 species Species 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/386—Preparations containing enzymes, e.g. protease or amylase
- C11D3/38636—Preparations containing enzymes, e.g. protease or amylase containing enzymes other than protease, amylase, lipase, cellulase, oxidase or reductase
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/50—Perfumes
- C11D3/502—Protected perfumes
- C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay
Definitions
- the present application relates to a laundry detergent composition
- a laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particle.
- Benefit agents such as perfumes, silicones, waxes, vitamins and fabric softening agents, are expensive and generally less effective when employed at high levels in fabric care compositions. As a result, there is a desire to maximize the effectiveness of such benefit agents.
- One method of achieving such objective is to improve the delivery efficiencies of such benefit agents. Unfortunately, it is difficult to improve the delivery efficiencies of benefit agents as such agents may be lost do to the agents' physical or chemical characteristics, or such agents may be incompatible with other compositional components or the situs that is treated.
- the present invention relates to a laundry detergent composition
- a laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particles comprising a core material and a wall material that at least partially surrounds the core material.
- the glycosyl hydrolase has enzymatic activity towards both xyloglucan and amorphous cellulose substrates, wherein the glycosyl hydrolase is selected from GH families 5, 12, 44 or 74.
- the enzymatic activity towards xyloglucan substrates is described in more detail below.
- the enzymatic activity towards amorphous cellulose substrates is described in more detail below.
- glycosyl hydrolase enzyme preferably belongs to glycosyl hydrolase family 44.
- the glycosyl hydrolase (GH) family definition is described in more detail in Biochem J. 1991, v280, 309-316 .
- the glycosyl hydrolase enzyme preferably has a sequence at least 70%, or at least 75% or at least 80%, or at least 85%, or at least 90%, or at least 95% identical to sequence ID No. 1.
- the degree of identity between two amino acid sequences is determined using the Needleman-Wunsch algorithm ( Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453 ) as implemented in the Needle program of the EMBOSS package (EMBOSS: The European Molecular Biology Open Software Suite, Rice et al. , 2000, Trends in Genetics 16: 276-277 ), preferably version 3.0.0 or later.
- the optional parameters used are gap open penalty of 10, gap extension penalty of 0.5, and the EBLOSUM62 (EMBOSS version of BLOSUM62) substitution matrix.
- Suitable glycosyl hydrolases are selected from the group consisting of: GH family 44 glycosyl hydrolases from Paenibacillus polyxyma (wild-type) such as XYG1006 described in WO 01/062903 or are variants thereof; GH family 12 glycosyl hydrolases from Bacillus licheniformis (wild-type) such as Seq. No.
- Preferred glycosyl hydrolases are selected from the group consisting of: GH family 44 glycosyl hydrolases from Paenibacillus polyxyma (wild-type) such as XYG1006 or are variants thereof.
- An enzyme is deemed to have activity towards xyloglucan if the pure enzyme has a specific activity of greater than 50000 XyloU/g according to the following assay at pH 7.5.
- the xyloglucanase activity is measured using AZCL-xyloglucan from Megazyme, Ireland as substrate (blue substrate).
- a solution of 0.2% of the blue substrate is suspended in a 0.1M phosphate buffer pH 7.5, 20°C under stirring in a 1.5ml Eppendorf tubes (0.75ml to each), 50 microlitres enzyme solution is added and they are incubated in an Eppendorf Thermomixer for 20 minutes at 40°C, with a mixing of 1200 rpm. After incubation the coloured solution is separated from the solid by 4 minutes centrifugation at 14,000 rpm and the absorbance of the supernatant is measured at 600nm in a 1cm cuvette using a spectrophotometer.
- One XyloU unit is defined as the amount of enzyme resulting in an absorbance of 0.24 in a 1cm cuvette at 600nm.
- An enzyme is deemed to have activity towards amorphous cellulose if the pure enzyme has a specific activity of greater than 20000 EBG/g according to the following assay at pH 7.5.
- Chemicals used as buffers and substrates were commercial products of at least reagent grade.
- test tubes mix 1ml pH 7,5 buffer and 5ml deionised water. Add 100 microliter of the enzyme sample (or of dilutions of the enzyme sample with known weight:weight dilution factor). Add 1 Cellazyme C tablet into each tube, cap the tubes and mix on a vortex mixer for 10 seconds. Place the tubes in a thermostated water bath, temperature 40°C. After 15, 30 and 45 minutes, mix the contents of the tubes by inverting the tubes, and replace in the water bath. After 60 minutes, mix the contents of the tubes by inversion and then filter through a GF/C filter. Collect the filtrate in a clean tube. Measure Absorbance (Aenz) at 590nm, with a spectrophotometer.
- Inventors discovered that the problem of achieving effective and efficient benefit agent delivery can be solved in an economical manner when a benefit agent containing delivery particle having a certain combination of physical and chemical characteristics is incorporated in a laundry detergent composition that additionally comprises a glycosyl hydrolase.
- Such physical and chemical characteristics are defined by the following parameters: particle size coefficient of variation, fracture strength, benefit agent retention ratio and average particle size. Such parameters may be combined to yield a Delivery Index.
- the particle comprises a core material and a wall material that at least partially surrounds the core material, said particle having a Delivery Index of at least about 0.05, at least about 7, or at least about 70.
- the particle comprises a core material and a wall material that at least partially surrounds the core material, said particle having:
- said particle may have and/or comprise any combination of the parameters described in the present specification.
- Useful wall materials include materials selected from the group consisting of polyethylenes, polyamides, polystyrenes, polyisoprenes, polycarbonates, polyesters, polyacrylates, polyureas, polyurethanes, polyolefins, polysaccharides, epoxy resins, vinyl polymers, and mixtures thereof.
- useful wall materials include materials that are sufficiently impervious to the core material and the materials in the environment in which the benefit agent containing delivery particle will be employed, to permit the delivery benefit to be obtained.
- Suitable impervious wall materials include materials selected from the group consisting of reaction products of one or more amines with one or more aldehydes, such as urea cross-linked with formaldehyde or gluteraldehyde, melamine cross-linked with formaldehyde; gelatin-polyphosphate coacervates optionally cross-linked with gluteraldehyde; gelatin-gum Arabic coacervates; cross-linked silicone fluids; polyamine reacted with polyisocyanates and mixtures thereof.
- the wall material comprises melamine cross-linked with formaldehyde.
- Useful core materials include perfume raw materials, silicone oils, waxes, hydrocarbons, higher fatty acids, essential oils, lipids, skin coolants, vitamins, sunscreens, antioxidants, glycerine, catalysts, bleach particles, silicon dioxide particles, malodor reducing agents, dyes, brighteners, antibacterial actives, antiperspirant actives, cationic polymers and mixtures thereof.
- said perfume raw material is selected from the group consisting of alcohols, ketones, aldehydes, esters, ethers, nitriles alkenes.
- the core material comprises a perfume.
- said perfume comprises perfume raw materials selected from the group consisting of alcohols, ketones, aldehydes, esters, ethers, nitriles alkenes and mixtures thereof.
- said perfume may comprise a perfume raw material selected from the group consisting of perfume raw materials having a boiling point (B.P.) lower than about 250°C and a ClogP lower than about 3, perfume raw materials having a B.P. of greater than about 250°C and a ClogP of greater than about 3, perfume raw materials having a B.P. of greater than about 250°C and a ClogP lower than about 3, perfume raw materials having a B.P. lower than about 250°C and a ClogP greater than about 3 and mixtures thereof.
- B.P. boiling point
- Perfume raw materials having a boiling point B.P. lower than about 250°C and a ClogP lower than about 3 are known as Quadrant I perfume raw materials, perfume raw materials having a B.P. of greater than about 250°C and a ClogP of greater than about 3 are known as Quadrant IV perfume raw materials, perfume raw materials having a B.P. of greater than about 250°C and a ClogP lower than about 3 are known as Quadrant II perfume raw materials, perfume raw materials having a B.P. lower than about 250°C and a ClogP greater than about 3 are known as a Quadrant III perfume raw materials.
- said perfume comprises a perfume raw material having B.P. of lower than about 250°C.
- said perfume comprises a perfume raw material selected from the group consisting of Quadrant I, II, III perfume raw materials and mixtures thereof.
- said perfume comprises a Quadrant III perfume raw material. Suitable Quadrant I, II, III and IV perfume raw materials are disclosed in U.S. patent 6,869,923 B1 .
- said perfume comprises a Quadrant IV perfume raw material. While not being bound by theory, it is believed that such Quadrant IV perfume raw materials can improve perfume odor "balance". Said perfume may comprise, based on total perfume weight, less than about 30%, less than about 20%, or even less than about 15% of said Quadrant IV perfume raw material.
- the perfume raw materials and accords may be obtained from one or more of the following companies Firmenich (Geneva, Switzerland), Givaudan (Argenteuil, France), IFF (Hazlet, NJ), Quest (Mount Olive, NJ), Bedoukian (Danbury, CT), Sigma Aldrich (St. Louis, MO), Millennium Specialty Chemicals (Olympia Fields, IL), Polarone International (Jersey City, NJ), Fragrance Resources (Keyport, NJ), and Aroma & Flavor Specialties (Danbury, CT).
- the particle disclosed in the present application may be made via the teachings of USP 6,592,990 B2 and/or USP 6,544,926 B1 and the examples disclosed herein.
- the laundry detergent composition comprises: (a) a glycosyl hydrolase having enzymatic activity towards both xyloglucan and amorphous cellulose substrates, wherein the glycosyl hydrolase is selected from GH families 5, 12, 44 or 74; (b) a particle comprising a core material and a wall material that surrounds the core material, said particle preferably having a Delivery Index of at least about 0.05 said composition being a consumer product; and (c) detersive surfactant.
- a composition may comprise from about 0.01 to about 10, from about 0.1 to about 10, or even from about 0.2 to about 5 weight % of said particle based on total composition weight.
- a cleaning composition may comprise, from about 0.1 to about 1 weight % of such particle based on total composition weight of such particle.
- a fabric treatment composition may comprise, based on total fabric treatment composition weight, form about 0.01 to about 10% of such particle.
- aspects of the invention include the use of the particles of the present invention in laundry detergent compositions (e.g., TIDETM).
- the compositions disclosed herein are typically formulated such that, during use in aqueous cleaning operations, the wash water will have a pH of between about 6.5 and about 12, or between about 7.5 and 10.5.
- Laundry detergent compositions disclosed herein typically comprise a fabric softening active ("FSA").
- FSA fabric softening active
- Suitable fabric softening actives include, but are not limited to, materials selected from the group consisting of quats, amines, fatty esters, sucrose esters, silicones, dispersible polyolefins, clays, polysaccharides, fatty oils, polymer latexes and mixtures thereof.
- the composition is preferably in the form of a liquid.
- the composition typically comprises adjunct materials.
- the adjunct materials are described in more detail below.
- the composition can be in any form.
- the composition may in the form of a liquid or solid.
- the composition is preferably in the form of a liquid.
- the composition may be at least partially, preferably completely, enclosed by a water-soluble film.
- the composition is a solid laundry detergent composition, preferably a solid laundry powder detergent composition.
- the composition preferably comprises from 0wt% to 10wt%, or even to 5wt% zeolite builder.
- the composition also preferably comprises from 0wt% to 10wt%, or even to 5wt% phosphate builder.
- the composition typically comprises anionic detersive surfactant, preferably linear alkyl benzene sulphonate, preferably in combination with a co-surfactant.
- Preferred co-surfactants are alkyl ethoxylated sulphates having an average degree of ethoxylation of from 1 to 10, preferably from 1 to 3, and/or ethoxylated alcohols having an average degree of ethoxylation of from 1 to 10, preferably from 3 to 7.
- the composition preferably comprises chelant, preferably the composition comprises from 0.3wt% to 2.0wt% chelant.
- a suitable chelant is ethylenediamine-N,N' -disuccinic acid (EDDS).
- the composition may comprise cellulose polymers, such as sodium or potassium salts of carboxymethyl cellulose, carboxyethyl cellulose, sulfoethyl cellulose, sulfopropyl cellulose, cellulose sulfate, phosphorylated cellulose, carboxymethyl hydroxyethyl cellulose, carboxymethyl hydroxypropyl cellulose, sulfoethyl hydroxyethyl cellulose, sulfoethyl hydroxypropyl cellulose, carboxymethyl methyl hydroxyethyl cellulose, carboxymethyl methyl cellulose, sulfoethyl methyl hydroxyethyl cellulose, sulfoethyl methyl cellulose, carboxymethyl ethyl hydroxyethyl cellulose, carboxymethyl ethyl cellulose, sulfoethyl ethyl hydroxyethyl cellulose, carboxymethyl ethyl cellulose, carboxymethyl ethyl
- the composition may comprise soil release polymers, such as Repel-o-TexTM.
- soil release polymers such as Repel-o-TexTM.
- suitable soil release polymers are anionic soil release polymers.
- Suitable soil release polymers are described in more detail in WO05123835A1 , WO07079850A1 and WO08110318A2 .
- the composition may comprise a spray-dried powder.
- the spray-dried powder may comprise a silicate salt, such as sodium silicate.
- Suitable adjunct materials include, but are not limited to, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic materials, bleach activators, polymeric dispersing agents, clay soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfume and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
- suitable examples of such other adjuncts and levels of use are found in U.S. Patent Nos. 5,576,282 , 6,306,812 B1 and 6,326,348 B1 that are incorporated by reference.
- adjunct ingredients are not essential to Applicants' cleaning and fabric care compositions.
- certain embodiments of Applicants' compositions do not contain one or more of the following adjuncts materials: bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfumes and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
- one or more adjuncts may be present as detailed below:
- compositions herein can be catalyzed by means of a manganese compound.
- a manganese compound Such compounds and levels of use are well known in the art and include, for example, the manganese-based catalysts disclosed in U.S. patent 5,576,282 .
- Cobalt bleach catalysts useful herein are known, and are described, for example, in U.S. patents 5,597,936 and 5,595,967 . Such cobalt catalysts are readily prepared by known procedures, such as taught for example in U.S. patents 5,597,936 , and 5,595,967 .
- compositions herein may also suitably include a transition metal complex of a macropolycyclic rigid ligand - abreviated as "MRL".
- MRL macropolycyclic rigid ligand - abreviated as "MRL”.
- the compositions and cleaning processes herein can be adjusted to provide on the order of at least one part per hundred million of the benefit agent MRL species in the aqueous washing medium, and may provide from about 0.005 ppm to about 25 ppm, from about 0.05 ppm to about 10 ppm, or even from about 0.1 ppm to about 5 ppm, of the MRL in the wash liquor.
- Preferred transition-metals in the instant transition-metal bleach catalyst include manganese, iron and chromium.
- Preferred MRL's herein are a special type of ultra-rigid ligand that is cross-bridged such as 5,12-diethyl-1,5,8,12-tetraazabicyclo[6.6.2]hexa-decane.
- Suitable transition metal MRLs are readily prepared by known procedures, such as taught for example in WO 00/32601 , and U.S. patent 6,225,464 .
- compositions of the present invention can be formulated into any suitable form and prepared by any process chosen by the formulator, non-limiting examples of which are described in U.S. 5,879,584 ; U.S. 5,691,297 ; U.S. 5,574,005 ; U.S. 5,569,645 ; U.S. 5,565,422 ; U.S. 5,516,448 ; U.S. 5,489,392 ; U.S. 5,486,303 .
- test methods that are disclosed in the Test Methods Section of the present application must be used to determine the respective values of the parameters of Applicants' invention as such invention is described and claimed herein.
- ClogP The "calculated logP” (ClogP) is determined by the fragment approach of Hansch and Leo (cf., A. Leo, in Comprehensive Medicinal Chemistry, Vol. 4, C. Hansch, P.G. Sammens, J.B. taylor, and C.A. Ramsden, Eds. P. 295, Pergamon Press, 1990 , incorporated herein by reference). ClogP values may be calculated by using the "CLOGP" program available from Daylight Chemical Information Systems Inc. of Irvine, California U.S.A..
- Boiling point is measured by ASTM method D2887-04a, "Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography," ASTM International .
- Delivery Index ⁇ ⁇ Particle_Size ⁇ f 0 f Fracture_Stress / L 0 L / ⁇ t 100
- Liquid laundry detergent compositions suitable for front-loading automatic washing machines.
- Ingredient Composition (wt% of composition) 1 2 3 4 5 6 7 8 Alkylbenzene sulfonic acid 7 11 4.5 1.2 1.5 12.5 5.2 4 Sodium C 12-14 alkyl ethoxy 3 sulfate 2.3 3.5 4.5 4.5 7 18 1.8 2 C 1+15 alkyl 8-ethoxylate 5 8 2.5 2.6 4.5 4 3.7 2 C 12 alkyl dimethyl amine oxide - - 0.2 - - - - - C 12-14 alkyl hydroxyethyl dimethyl ammonium chloride - - - 0.5 - - - - C 12-18 Fatty acid 2.6 4 4 2.6 2.8 11 2.6 1.5 Citric acid 2.6 3 1.5 2 2.5 3.5 2.6 2 Protease (Purafect® Prime) 0.5 0.7 0.6 0.3 0.5 2 0.5 0.6 Amylase (Natalase®) 0.1 0.2 0.15 - 0.05
- Liquid laundry detergent compositions suitable for top-loading automatic washing machines.
- Ingredient Composition (wt% of composition) 9 10 11 12 13 14 15 16 C 12-15 Alkylethoxy(1.8)sulfate 20.1 15.1 20.0 15.1 13.7 16.7 10.0 9.9 C 11.8 Alkylbenzene sulfonate 2.7 2.0 1.0 2.0 5.5 5.6 3.0 3.9 C 16-17 Branched alkyl sulfate 6.5 4.9 4.9 3.0 9.0 2.0 C 12-14 Alkyl -9-ethoxylate 0.8 0.8 0.8 8.0 1.5 0.3 11.5 C 12 dimethylamine oxide 0.9 Citric acid 3.8 3.8 3.8 3.8 3.5 3.5 2.0 2.1 C 12-18 fatty acid 2.0 1.5 2.0 1.5 4.5 2.3 0.9 Protease (Purafect® Prime) 1.5 1.5 0.5 1.5 1.0 1.8 0.5 0.5 Amylase (Natalase®) 0.3 0.3 0.3 0.3 0.2 0.4 Amylase (Stainzyme®) 1.1 Mannanase (Man
- the molecular weight of the polyethylene oxide backbone is about 6000 and the weight ratio of the polyethylene oxide to polyvinyl acetate is about 40 to 60 and no more than 1 grafting point per 50 ethylene oxide units.
- 2 Polyethylenimine (MW 600) with 20 ethoxylate groups per -NH.
- Reversible Protease inhibitor of structure * Remark: all enzyme levels expressed as % enzyme raw material, except for xyloglucanase where the level is given in mg active enzyme protein per 100g of detergent.
- XYG1006 enzyme is according to SEQ ID: 1.
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Description
- The present application relates to a laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particle.
- Benefit agents, such as perfumes, silicones, waxes, vitamins and fabric softening agents, are expensive and generally less effective when employed at high levels in fabric care compositions. As a result, there is a desire to maximize the effectiveness of such benefit agents. One method of achieving such objective is to improve the delivery efficiencies of such benefit agents. Unfortunately, it is difficult to improve the delivery efficiencies of benefit agents as such agents may be lost do to the agents' physical or chemical characteristics, or such agents may be incompatible with other compositional components or the situs that is treated.
- Accordingly, there is a need for a composition that provides improved benefit agent delivery efficiency.
- The present invention relates to a laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particles comprising a core material and a wall material that at least partially surrounds the core material. Without wishing to be bound by theory the Inventors believe that the action of certain glycosyl hydrolase on the fabric surface opens up the pore structure of the cotton fibres so as to increase the entrapment of the benefit agent containing particles in the fabric. In addition, the action of these certain glycosyl hydrolases increases the surface area of the fabric, further improving the performance of the benefit agent during the laundering process.
- The glycosyl hydrolase has enzymatic activity towards both xyloglucan and amorphous cellulose substrates, wherein the glycosyl hydrolase is selected from GH families 5, 12, 44 or 74.
- The enzymatic activity towards xyloglucan substrates is described in more detail below. The enzymatic activity towards amorphous cellulose substrates is described in more detail below.
- The glycosyl hydrolase enzyme preferably belongs to glycosyl hydrolase family 44. The glycosyl hydrolase (GH) family definition is described in more detail in Biochem J. 1991, v280, 309-316.
- The glycosyl hydrolase enzyme preferably has a sequence at least 70%, or at least 75% or at least 80%, or at least 85%, or at least 90%, or at least 95% identical to sequence ID No. 1.
- For purposes of the present invention, the degree of identity between two amino acid sequences is determined using the Needleman-Wunsch algorithm (Needleman and Wunsch, 1970, J. Mol. Biol. 48: 443-453) as implemented in the Needle program of the EMBOSS package (EMBOSS: The European Molecular Biology Open Software Suite, Rice et al. , 2000, Trends in Genetics 16: 276-277), preferably version 3.0.0 or later. The optional parameters used are gap open penalty of 10, gap extension penalty of 0.5, and the EBLOSUM62 (EMBOSS version of BLOSUM62) substitution matrix. The output of Needle labeled "longest identity" (obtained using the -nobrief option) is used as the percent identity and is calculated as follows: (Identical Residues x 100)/(Length of Alignment - Total Number of Gaps in Alignment).
- Suitable glycosyl hydrolases are selected from the group consisting of: GH family 44 glycosyl hydrolases from Paenibacillus polyxyma (wild-type) such as XYG1006 described in
WO 01/062903 WO 99/02663 WO 01/064853 WO 2002/077242 or variants thereof; and GH family 74 glycosyl hydrolases from Trichoderma Reesei (wild type), such as the enzyme described in more detail in Sequence ID no. 2 ofWO03/089598 - Preferred glycosyl hydrolases are selected from the group consisting of: GH family 44 glycosyl hydrolases from Paenibacillus polyxyma (wild-type) such as XYG1006 or are variants thereof.
- An enzyme is deemed to have activity towards xyloglucan if the pure enzyme has a specific activity of greater than 50000 XyloU/g according to the following assay at pH 7.5.
- The xyloglucanase activity is measured using AZCL-xyloglucan from Megazyme, Ireland as substrate (blue substrate).
- A solution of 0.2% of the blue substrate is suspended in a 0.1M phosphate buffer pH 7.5, 20°C under stirring in a 1.5ml Eppendorf tubes (0.75ml to each), 50 microlitres enzyme solution is added and they are incubated in an Eppendorf Thermomixer for 20 minutes at 40°C, with a mixing of 1200 rpm. After incubation the coloured solution is separated from the solid by 4 minutes centrifugation at 14,000 rpm and the absorbance of the supernatant is measured at 600nm in a 1cm cuvette using a spectrophotometer. One XyloU unit is defined as the amount of enzyme resulting in an absorbance of 0.24 in a 1cm cuvette at 600nm.
- Only absorbance values between 0.1 and 0.8 are used to calculate the XyloU activity. If an absorbance value is measured outside this range, optimization of the starting enzyme concentration should be carried out accordingly.
- An enzyme is deemed to have activity towards amorphous cellulose if the pure enzyme has a specific activity of greater than 20000 EBG/g according to the following assay at pH 7.5. Chemicals used as buffers and substrates were commercial products of at least reagent grade.
-
- 0.1 M phosphate buffer pH 7.5
- Cellazyme C tablets, supplied by Megazyme International, Ireland.
- Glass microfiber filters, GF/C, 9cm diameter, supplied by Whatman.
- In test tubes, mix 1ml pH 7,5 buffer and 5ml deionised water.
Add 100 microliter of the enzyme sample (or of dilutions of the enzyme sample with known weight:weight dilution factor). Add 1 Cellazyme C tablet into each tube, cap the tubes and mix on a vortex mixer for 10 seconds. Place the tubes in a thermostated water bath, temperature 40°C. After 15, 30 and 45 minutes, mix the contents of the tubes by inverting the tubes, and replace in the water bath. After 60 minutes, mix the contents of the tubes by inversion and then filter through a GF/C filter. Collect the filtrate in a clean tube.
Measure Absorbance (Aenz) at 590nm, with a spectrophotometer. A blank value, Awater, is determined by adding 100µl water instead of 100 microliter enzyme dilution.
Calculate Adelta = Aenz - Awater.
Adelta must be <0.5. If higher results are obtained, repeat with a different enzyme dilution factor. Determine DFO.1, where DFO.1 is the dilution factor needed to give Adelta = 0.1 . - Unit Definition: 1 Endo-Beta-Glucanase activity unit (1 EBG) is the amount of enzyme that gives Adelta = 0.10, under the assay conditions specified above. Thus, for example, if a given enzyme sample, after dilution by a dilution factor of 100, gives Adelta= 0.10, then the enzyme sample has an activity of 100 EBG/g.
- The Inventors discovered that the problem of achieving effective and efficient benefit agent delivery can be solved in an economical manner when a benefit agent containing delivery particle having a certain combination of physical and chemical characteristics is incorporated in a laundry detergent composition that additionally comprises a glycosyl hydrolase. Such physical and chemical characteristics are defined by the following parameters: particle size coefficient of variation, fracture strength, benefit agent retention ratio and average particle size. Such parameters may be combined to yield a Delivery Index.
- In one aspect, the particle comprises a core material and a wall material that at least partially surrounds the core material, said particle having a Delivery Index of at least about 0.05, at least about 7, or at least about 70.
- In one aspect, the particle comprises a core material and a wall material that at least partially surrounds the core material, said particle having:
- a.) a particle size coefficient of variation of from about 1.5 to about 6.0, from about 2.0 to about 3.5, or even from about 2.5 to about 3.2;
- b.) a fracture strength of from about 0.1 psia to about 110 psia, from about 1 to about 50 psia, or even from about 4 to about 16 psia;
- c.) a benefit agent retention ratio of from about 2 to about 110, from about 30 to about 90, or even from about 40 to about 70; and
- d.) an average particle size of from about 1 micron to about 100 microns, from about 5 microns to about 80 microns, or even from about 15 microns to about 50 microns.
- In one aspect of the present invention, said particle may have and/or comprise any combination of the parameters described in the present specification.
- Useful wall materials include materials selected from the group consisting of polyethylenes, polyamides, polystyrenes, polyisoprenes, polycarbonates, polyesters, polyacrylates, polyureas, polyurethanes, polyolefins, polysaccharides, epoxy resins, vinyl polymers, and mixtures thereof. In one aspect, useful wall materials include materials that are sufficiently impervious to the core material and the materials in the environment in which the benefit agent containing delivery particle will be employed, to permit the delivery benefit to be obtained. Suitable impervious wall materials include materials selected from the group consisting of reaction products of one or more amines with one or more aldehydes, such as urea cross-linked with formaldehyde or gluteraldehyde, melamine cross-linked with formaldehyde; gelatin-polyphosphate coacervates optionally cross-linked with gluteraldehyde; gelatin-gum Arabic coacervates; cross-linked silicone fluids; polyamine reacted with polyisocyanates and mixtures thereof. In one aspect, the wall material comprises melamine cross-linked with formaldehyde.
- Useful core materials include perfume raw materials, silicone oils, waxes, hydrocarbons, higher fatty acids, essential oils, lipids, skin coolants, vitamins, sunscreens, antioxidants, glycerine, catalysts, bleach particles, silicon dioxide particles, malodor reducing agents, dyes, brighteners, antibacterial actives, antiperspirant actives, cationic polymers and mixtures thereof. In one aspect, said perfume raw material is selected from the group consisting of alcohols, ketones, aldehydes, esters, ethers, nitriles alkenes. In one aspect the core material comprises a perfume. In one aspect, said perfume comprises perfume raw materials selected from the group consisting of alcohols, ketones, aldehydes, esters, ethers, nitriles alkenes and mixtures thereof. In one aspect, said perfume may comprise a perfume raw material selected from the group consisting of perfume raw materials having a boiling point (B.P.) lower than about 250°C and a ClogP lower than about 3, perfume raw materials having a B.P. of greater than about 250°C and a ClogP of greater than about 3, perfume raw materials having a B.P. of greater than about 250°C and a ClogP lower than about 3, perfume raw materials having a B.P. lower than about 250°C and a ClogP greater than about 3 and mixtures thereof. Perfume raw materials having a boiling point B.P. lower than about 250°C and a ClogP lower than about 3 are known as Quadrant I perfume raw materials, perfume raw materials having a B.P. of greater than about 250°C and a ClogP of greater than about 3 are known as Quadrant IV perfume raw materials, perfume raw materials having a B.P. of greater than about 250°C and a ClogP lower than about 3 are known as Quadrant II perfume raw materials, perfume raw materials having a B.P. lower than about 250°C and a ClogP greater than about 3 are known as a Quadrant III perfume raw materials. In one aspect, said perfume comprises a perfume raw material having B.P. of lower than about 250°C. In one aspect, said perfume comprises a perfume raw material selected from the group consisting of Quadrant I, II, III perfume raw materials and mixtures thereof. In one aspect, said perfume comprises a Quadrant III perfume raw material. Suitable Quadrant I, II, III and IV perfume raw materials are disclosed in
U.S. patent 6,869,923 B1 . - In one aspect, said perfume comprises a Quadrant IV perfume raw material. While not being bound by theory, it is believed that such Quadrant IV perfume raw materials can improve perfume odor "balance". Said perfume may comprise, based on total perfume weight, less than about 30%, less than about 20%, or even less than about 15% of said Quadrant IV perfume raw material.
- The perfume raw materials and accords may be obtained from one or more of the following companies Firmenich (Geneva, Switzerland), Givaudan (Argenteuil, France), IFF (Hazlet, NJ), Quest (Mount Olive, NJ), Bedoukian (Danbury, CT), Sigma Aldrich (St. Louis, MO), Millennium Specialty Chemicals (Olympia Fields, IL), Polarone International (Jersey City, NJ), Fragrance Resources (Keyport, NJ), and Aroma & Flavor Specialties (Danbury, CT).
- The particle disclosed in the present application may be made via the teachings of
USP 6,592,990 B2 and/orUSP 6,544,926 B1 and the examples disclosed herein. - The laundry detergent composition comprises: (a) a glycosyl hydrolase having enzymatic activity towards both xyloglucan and amorphous cellulose substrates, wherein the glycosyl hydrolase is selected from GH families 5, 12, 44 or 74; (b) a particle comprising a core material and a wall material that surrounds the core material, said particle preferably having a Delivery Index of at least about 0.05 said composition being a consumer product; and (c) detersive surfactant.
- While the precise level of particle (b) that is employed depends on the type and end use of the composition, a composition may comprise from about 0.01 to about 10, from about 0.1 to about 10, or even from about 0.2 to about 5 weight % of said particle based on total composition weight. In one aspect, a cleaning composition may comprise, from about 0.1 to about 1 weight % of such particle based on total composition weight of such particle. In one aspect, a fabric treatment composition may comprise, based on total fabric treatment composition weight, form about 0.01 to about 10% of such particle.
- Aspects of the invention include the use of the particles of the present invention in laundry detergent compositions (e.g., TIDE™). The compositions disclosed herein are typically formulated such that, during use in aqueous cleaning operations, the wash water will have a pH of between about 6.5 and about 12, or between about 7.5 and 10.5.
- Laundry detergent compositions disclosed herein typically comprise a fabric softening active ("FSA"). Suitable fabric softening actives, include, but are not limited to, materials selected from the group consisting of quats, amines, fatty esters, sucrose esters, silicones, dispersible polyolefins, clays, polysaccharides, fatty oils, polymer latexes and mixtures thereof.
- The composition is preferably in the form of a liquid. The composition typically comprises adjunct materials. The adjunct materials are described in more detail below.
- The composition can be in any form. The composition may in the form of a liquid or solid. The composition is preferably in the form of a liquid. The composition may be at least partially, preferably completely, enclosed by a water-soluble film.
- In one embodiment of the present invention, the composition is a solid laundry detergent composition, preferably a solid laundry powder detergent composition.
- The composition preferably comprises from 0wt% to 10wt%, or even to 5wt% zeolite builder. The composition also preferably comprises from 0wt% to 10wt%, or even to 5wt% phosphate builder.
- The composition typically comprises anionic detersive surfactant, preferably linear alkyl benzene sulphonate, preferably in combination with a co-surfactant. Preferred co-surfactants are alkyl ethoxylated sulphates having an average degree of ethoxylation of from 1 to 10, preferably from 1 to 3, and/or ethoxylated alcohols having an average degree of ethoxylation of from 1 to 10, preferably from 3 to 7.
- The composition preferably comprises chelant, preferably the composition comprises from 0.3wt% to 2.0wt% chelant. A suitable chelant is ethylenediamine-N,N' -disuccinic acid (EDDS).
- The composition may comprise cellulose polymers, such as sodium or potassium salts of carboxymethyl cellulose, carboxyethyl cellulose, sulfoethyl cellulose, sulfopropyl cellulose, cellulose sulfate, phosphorylated cellulose, carboxymethyl hydroxyethyl cellulose, carboxymethyl hydroxypropyl cellulose, sulfoethyl hydroxyethyl cellulose, sulfoethyl hydroxypropyl cellulose, carboxymethyl methyl hydroxyethyl cellulose, carboxymethyl methyl cellulose, sulfoethyl methyl hydroxyethyl cellulose, sulfoethyl methyl cellulose, carboxymethyl ethyl hydroxyethyl cellulose, carboxymethyl ethyl cellulose, sulfoethyl ethyl hydroxyethyl cellulose, sulfoethyl ethyl cellulose, carboxymethyl methyl hydroxypropyl cellulose, sulfoethyl methyl hydroxypropyl cellulose, carboxymethyl dodecyl cellulose, carboxymethyl dodecoyl cellulose, carboxymethyl cyanoethyl cellulose, and sulfoethyl cyanoethyl cellulose. The cellulose may be a substituted cellulose substituted by two or more different substituents, such as methyl and hydroxyethyl cellulose.
- The composition may comprise soil release polymers, such as Repel-o-TexTM. Other suitable soil release polymers are anionic soil release polymers. Suitable soil release polymers are described in more detail in
WO05123835A1 WO07079850A1 WO08110318A2 - The composition may comprise a spray-dried powder. The spray-dried powder may comprise a silicate salt, such as sodium silicate.
- Suitable adjunct materials include, but are not limited to, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic materials, bleach activators, polymeric dispersing agents, clay soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfume and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments. In addition to the disclosure below, suitable examples of such other adjuncts and levels of use are found in
U.S. Patent Nos. 5,576,282 ,6,306,812 B1 and6,326,348 B1 that are incorporated by reference. - As stated, the adjunct ingredients are not essential to Applicants' cleaning and fabric care compositions. Thus, certain embodiments of Applicants' compositions do not contain one or more of the following adjuncts materials: bleach activators, surfactants, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, additional perfumes and perfume delivery systems, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments. However, when one or more adjuncts is present, such one or more adjuncts may be present as detailed below:
- Surfactants - The compositions according to the present invention can comprise a surfactant or surfactant system wherein the surfactant can be selected from nonionic and/or anionic and/or cationic surfactants and/or ampholytic and/or zwitterionic and/or semi-polar nonionic surfactants. The surfactant is typically present at a level of from about 0.1 %, from about 1%, or even from about 5% by weight of the cleaning compositions to about 99.9%, to about 80%, to about 35%, or even to about 30% by weight of the cleaning compositions.
- Builders - The compositions of the present invention can comprise one or more detergent builders or builder systems. When present, the compositions will typically comprise at least about 1% builder, or from about 5% or 10% to about 80%, 50%, or even 30% by weight, of said builder. Builders include, but are not limited to, the alkali metal, ammonium and alkanolammonium salts of polyphosphates, alkali metal silicates, alkaline earth and alkali metal carbonates, aluminosilicate builders polycarboxylate compounds. ether hydroxypolycarboxylates, copolymers of maleic anhydride with ethylene or vinyl methyl ether, 1,3,5-trihydroxybenzene-2,4,6-trisulphonic acid, and carboxymethyl-oxysuccinic acid, the various alkali metal, ammonium and substituted ammonium salts of polyacetic acids such as ethylenediamine tetraacetic acid and nitrilotriacetic acid, as well as polycarboxylates such as mellitic acid, succinic acid, oxydisuccinic acid, polymaleic acid, benzene 1,3,5-tricarboxylic acid, carboxymethyloxysuccinic acid, and soluble salts thereof.
- Chelating Agents - The compositions herein may also optionally contain one or more copper, iron and/or manganese chelating agents. If utilized, chelating agents will generally comprise from about 0.1% by weight of the compositions herein to about 15%, or even from about 3.0% to about 15% by weight of the compositions herein.
- Dye Transfer Inhibiting Agents - The compositions of the present invention may also include one or more dye transfer inhibiting agents. Suitable polymeric dye transfer inhibiting agents include, but are not limited to, polyvinylpyrrolidone polymers, polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof. When present in the compositions herein, the dye transfer inhibiting agents are present at levels from about 0.0001 %, from about 0.01 %, from about 0.05% by weight of the cleaning compositions to about 10%, about 2%, or even about 1% by weight of the cleaning compositions.
- Dispersants - The compositions of the present invention can also contain dispersants. Suitable water-soluble organic materials are the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid may comprise at least two carboxyl radicals separated from each other by not more than two carbon atoms.
- Enzymes - The compositions can comprise one or more detergent enzymes which provide cleaning performance and/or fabric care benefits. Examples of suitable enzymes include, but are not limited to, hemicellulases, peroxidases, proteases, other cellulases, other xylanases, lipases, phospholipases, esterases, cutinases, pectinases, keratanases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, ß-glucanases, arabinosidases, hyaluronidase, chondroitinase, laccase, and amylases, or mixtures thereof. A typical combination is a cocktail of conventional applicable enzymes like protease, lipase, cutinase and/or cellulase in conjunction with amylase.
- Enzyme Stabilizers - Enzymes for use in compositions, for example, detergents can be stabilized by various techniques. The enzymes employed herein can be stabilized by the presence of water-soluble sources of calcium and/or magnesium ions in the finished compositions that provide such ions to the enzymes.
- Catalytic Metal Complexes - Applicants' compositions may include catalytic metal complexes. One type of metal-containing bleach catalyst is a catalyst system comprising a transition metal cation of defined bleach catalytic activity, such as copper, iron, titanium, ruthenium, tungsten, molybdenum, or manganese cations, an auxiliary metal cation having little or no bleach catalytic activity, such as zinc or aluminum cations, and a sequestrate having defined stability constants for the catalytic and auxiliary metal cations, particularly ethylenediaminetetraacetic acid, ethylenediaminetetra (methyl-enephosphonic acid) and water-soluble salts thereof. Such catalysts are disclosed in
U.S. patent 4,430,243 . - If desired, the compositions herein can be catalyzed by means of a manganese compound. Such compounds and levels of use are well known in the art and include, for example, the manganese-based catalysts disclosed in
U.S. patent 5,576,282 . - Cobalt bleach catalysts useful herein are known, and are described, for example, in
U.S. patents 5,597,936 and5,595,967 . Such cobalt catalysts are readily prepared by known procedures, such as taught for example inU.S. patents 5,597,936 , and5,595,967 . - Compositions herein may also suitably include a transition metal complex of a macropolycyclic rigid ligand - abreviated as "MRL". As a practical matter, and not by way of limitation, the compositions and cleaning processes herein can be adjusted to provide on the order of at least one part per hundred million of the benefit agent MRL species in the aqueous washing medium, and may provide from about 0.005 ppm to about 25 ppm, from about 0.05 ppm to about 10 ppm, or even from about 0.1 ppm to about 5 ppm, of the MRL in the wash liquor.
- Preferred transition-metals in the instant transition-metal bleach catalyst include manganese, iron and chromium. Preferred MRL's herein are a special type of ultra-rigid ligand that is cross-bridged such as 5,12-diethyl-1,5,8,12-tetraazabicyclo[6.6.2]hexa-decane.
- Suitable transition metal MRLs are readily prepared by known procedures, such as taught for example in
WO 00/32601 U.S. patent 6,225,464 . - The compositions of the present invention can be formulated into any suitable form and prepared by any process chosen by the formulator, non-limiting examples of which are described in
U.S. 5,879,584 ;U.S. 5,691,297 ;U.S. 5,574,005 ;U.S. 5,569,645 ;U.S. 5,565,422 ;U.S. 5,516,448 ;U.S. 5,489,392 ;U.S. 5,486,303 . - It is understood that the test methods that are disclosed in the Test Methods Section of the present application must be used to determine the respective values of the parameters of Applicants' invention as such invention is described and claimed herein.
-
- a.) Place 1 gram of particles in 1 liter of distilled deionized (DI) water.
- b.) Permit the particles to remain in the DI water for 10 minutes and then recover the particles by filtration.
- c.) Determine the particle size distribution of the particle sample by measuring the particle size of 50 individual particles using the experimental apparatus and method of Zhang, Z.; Sun, G; "Mechanical Properties of Melamine-Formaldehyde microcapsules," J. Microencapsulation, vol 18, no. 5, pages 593-602, 2001.
- d.) Average the 50 independent particle diameter measurements to obtain an average particle diameter.
- e.) Use the 50 independent measurements to calculate a standard deviation of particle size using the following equation:
where- µ is the standard deviation
- s is the average particle diameter
- d is the independent particle diameter
- n is the total number of particles whose diameter is measured.
-
- a.) Add 1 gram of particle to 99 grams of composition that the particle will be employed in.
- b.) Age the particle containing composition of a.) above for 2 weeks at 40°C in a sealed, glass jar.
- c.) Recover the particles from b.) above by filtration.
- d.) Treat the particles of c.) above with a solvent that will extract all the benefit agent from the particles.
- e.) Inject the benefit agent containing solvent from d.) above into a Gas Chromatograph and integrate the peak areas to determine the total quantity of benefit agent extracted from the particle sample.
- f.) This quantity is then divided by the quantity that would be present if nothing had leaked out of the microcapsule (e.g. the total quantity of core material that is dosed into the composition via the microcapsules). This value is then multiplied by the ratio of average particle diameter to average particle thickness to obtain a Benefit Agent Retention Ratio.
- A detailed analytical procedure to measure the Benefit Agent Retention Ratio is:
- ISTD Solution
- 1. Weigh out 25mg dodecane into a weigh boat.
- 2. Rinse the dodecane into a 1000mL volumetric flask using ethanol.
- 3. Add ethanol to volume mark.
- 4. Stir solution until mixed. This solution is stable for 2 months.
- Calibration Standard
- 1. Weigh out 75mg of core material into a 100 mL volumetric flask.
- 2. Dilute to volume with ISTD solution to from above. This standard solution is stable for 2 months.
- 3. Mix well.
- 4. Analyze via GC/FID.
-
- 1. Weigh 1.000 gram sample of aged composition containing particles into a 100 mL tri-pour beaker. Record weight..
- 2. Add 4 drops (approximately 0.1 gram) 2-ethyl-1,3-Hexanediol into the tri-pour beaker.
- 3. Add 50 mL Deionized water to the beaker. Stir for 1 minute.
- 4. Using a 60cc syringe, filter through a Millipore Nitrocellulose Filter Membrane (1.2 micron, 25 mm diameter).
- 5. Rinse through the filter with 10 mL of Hexane
- 6. Carefully remove the filter membrane and transfer to a 20 mL scintillation vial (using tweezers).
- 7. Add 10mL ISTD solution (as prepared above) to the scintillation vial containing the filter.
- 8. Cap tightly, mix, and heat vial at 60°C for 30min.
- 9. Cool to room temperature.
- 10. Remove 1mL and filter through a 0.45-micron PTFE syringe filter into GC vial. Several PTFE filters may be required to filter a 1mL sample aliquot.
- 11. Analyze via GC/FID.
-
- Column - 30m X 0.25mm id, 1-um DB-1 phase
- GC - 6890 GC equipped with EPC control and constant flow capability
- Method - 50°C, 1min. hold, temperature ramp of4°C/min. to 300°C, and hold for 10min.
- Injector- 1uL splitless injection at 240°C
-
- Column - 20m X 0.1 mm id, 0. 1µm DB-5
- GC - 6890 GC equipped with EPC control and constant flow capability (constant flow 0.4mL/min)
- Method - 50°C, no hold, temperature ramp of 16°C/min to 275°C, and hold for 3min.
- Injector - 1µL split injection (80:1 split) at 250°C
-
- Ais = Area of internal standard in the core material calibration standard;
- Wper-std = weight of core material in the calibration sample
- Aper-sam = Area of core material peaks in the composition containing particle sample;
- Aper-std = Area of core material peaks in the calibration sample.
- Ais-sam = Area of internal standard in composition containing particle sample;
- Wsam = Weight of the composition containing particle sample
where- µ is the average particle diameter, from Test Method 1
- T is the average particle thickness as calculated from Test Method 3
-
- a.) Place 1 gram of particles in 1 liter of distilled deionized (DI) water.
- b.) Permit the particles to remain in the DI water for 10 minutes and then recover the particles by filtration.
- c.) Determine the average rupture force of the particles by averaging the rupture force of 50 individual particles. The rupture force of a particle is determined using the procedure given in Zhang, Z.; Sun, G; "Mechanical Properties of Melamine-Formaldehyde microcapsules," J. Microencapsulation, vol 18, no. 5, pages 593-602, 2001. Then calculate the average fracture pressure by dividing the average rupture force (in Newtons) by the average cross-sectional area (as determined by Test Method 1 above) of the spherical particle (πr2, where r is the radius of the particle before compression).
- d.) Calculate the average fracture strength by using the following equation:
where- P is the average fracture pressure from a.) above
- d is the average diameter of the particle (as determined by Test Method 1 above)
- T is the average shell thickness of the particle shell as determined by the following equation:
where- c is the average perfume content in the particle
- r is the average particle radius
- ρwall is the average density of the shell as determined by ASTM method B923-02, "Standard Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry", ASTM International.
- ρperfume is the average density of the perfume as determined by ASTM method D1480-93(1997) "Standard Test Method for
- Density and Relative Density (Specific Gravity) of Viscous
- Materials by Bingham Pycnometer'', ASTM International.
- The "calculated logP" (ClogP) is determined by the fragment approach of Hansch and Leo (cf., A. Leo, in Comprehensive Medicinal Chemistry, Vol. 4, C. Hansch, P.G. Sammens, J.B. taylor, and C.A. Ramsden, Eds. P. 295, Pergamon Press, 1990, incorporated herein by reference). ClogP values may be calculated by using the "CLOGP" program available from Daylight Chemical Information Systems Inc. of Irvine, California U.S.A..
- Boiling point is measured by ASTM method D2887-04a, "Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography," ASTM International.
-
- µ is the average particle diameter
- σ is the standard deviation of the average particle diameter
- f0 is the minimum in-use fracture strength required to break the microcapsule
- f is the measured Fracture Strength
- (L/L0 )/(t/µ) is the Benefit Agent Retention Ratio
- t is the shell thickness of the particle
- Liquid laundry detergent compositions suitable for front-loading automatic washing machines.
Ingredient Composition (wt% of composition) 1 2 3 4 5 6 7 8 Alkylbenzene sulfonic acid 7 11 4.5 1.2 1.5 12.5 5.2 4 Sodium C12-14 alkyl ethoxy 3 sulfate 2.3 3.5 4.5 4.5 7 18 1.8 2 C1+15 alkyl 8-ethoxylate 5 8 2.5 2.6 4.5 4 3.7 2 C12 alkyl dimethyl amine oxide - - 0.2 - - - - - C12-14 alkyl hydroxyethyl dimethyl ammonium chloride - - - 0.5 - - - - C12-18 Fatty acid 2.6 4 4 2.6 2.8 11 2.6 1.5 Citric acid 2.6 3 1.5 2 2.5 3.5 2.6 2 Protease (Purafect® Prime) 0.5 0.7 0.6 0.3 0.5 2 0.5 0.6 Amylase (Natalase®) 0.1 0.2 0.15 - 0.05 0.5 0.1 0.2 Mannanase (Mannaway®) 0.05 0.1 0.05 - - 0.1 0.04 - Xyloglucanase XYG1006* (mg aep/100g detergent) 1 4 3 3 2 8 2.5 4 Random graft co-polymer1 1 0.2 1 0.4 0.5 2.7 0.3 1 A compound having the following general structure: bis((C2H5O)(C2H4O)n)(CH3)-N+-CxH2x-N+-(CH3)-bis((C2H5O)(C2H4O)n), wherein n = from 20 to 30, and x = from 3 to 8, or sulphated or sulphonated variants thereof 0.4 2 0.4 0.6 1.5 1.8 0.7 0.3 Ethoxylated Polyethylenimine2 - - - - - 0.5 - - Amphiphilic alkoxylated grease cleaning polymer3 0.1 0.2 0.1 0.2 0.3 0.3 0.2 0.3 Diethoxylated poly (1,2 propylene terephthalate short block soil release polymer. - - - - - - 0.3 - Diethylenetriaminepenta(methylene phosphonic) acid 0.2 0.3 - - 0.2 - 0.2 0.3 Hydroxyethane diphosphonic acid - - 0.45 - - 1.5 - 0.1 FWA 0.1 0.2 0.1 - - 0.2 0.05 0.1 Solvents (1,2 propanediol, ethanol), stabilizers 3 4 1.5 1.5 2 4.3 2 1.5 Hydrogenated castor oil derivative structurant 0.4 0.4 0.3 0.1 0.3 - 0.4 0.5 Boric acid 1.5 2.5 2 1.5 1.5 0.5 1.5 1.5 Na formate - - - 1 - - - - Reversible protease inhibitor4 - - 0.002 - - - - - Perfume 0.5 0.7 0.5 0.5 0.8 1.5 0.5 0.8 Perfume Microcapsules slurry (30%am) 0.2 0.3 0.7 0.2 0.05 0.4 0.9 0.7 Ethoxylated thiophene Hueing Dye 0.007 0.008 Buffers (sodium hydroxide, Monoethanolamine) To pH 8.2 Water and minors (antifoam, aesthetics) To 100% - Liquid laundry detergent compositions suitable for top-loading automatic washing machines.
Ingredient Composition (wt% of composition) 9 10 11 12 13 14 15 16 C12-15 Alkylethoxy(1.8)sulfate 20.1 15.1 20.0 15.1 13.7 16.7 10.0 9.9 C11.8 Alkylbenzene sulfonate 2.7 2.0 1.0 2.0 5.5 5.6 3.0 3.9 C16-17 Branched alkyl sulfate 6.5 4.9 4.9 3.0 9.0 2.0 C12-14 Alkyl -9-ethoxylate 0.8 0.8 0.8 0.8 8.0 1.5 0.3 11.5 C12 dimethylamine oxide 0.9 Citric acid 3.8 3.8 3.8 3.8 3.5 3.5 2.0 2.1 C12-18 fatty acid 2.0 1.5 2.0 1.5 4.5 2.3 0.9 Protease (Purafect® Prime) 1.5 1.5 0.5 1.5 1.0 1.8 0.5 0.5 Amylase (Natalase®) 0.3 0.3 0.3 0.3 0.2 0.4 Amylase (Stainzyme®) 1.1 Mannanase (Mannaway®) 0.1 0.1 Pectate Lyase (Pectawaah®) 0.1 0.2 Xyloglucanase XYG1006* (mg aep/100g detergent) 5 13 2 5 20 1 2 3 Borax 3.0 3.0 2.0 3.0 3.0 3.3 Na & Ca formate 0.2 0.2 0.2 0.2 0.7 A compound having the following general structure: bis((C2H5O)(C2H4O)n)(CH3)-N+-CxHyN+-(CH3)-bis((C2H5O)(C2H4O)n), wherein n = from 20 to 30, and x = from 3 to 8, or sulphated or sulphonated variants thereof 1.6 1.6 3.0 1.6 2.0 1.6 1.3 1.2 Random graft co-polymer1 0.4 0.2 1.0 0.5 0.6 1.0 0.8 1.0 Diethylene triamine pentaacetic acid 0.4 0.4 0.4 0.4 0.2 0.3 0.8 Tinopal AMS-GX 0.2 0.2 0.2 0.2 0.2 0.3 0.1 Tinopal CBS-X 0.1 0.2 Amphiphilic alkoxylated 3 1.0 1.3 1.3 1.4 1.0 1.1 1.0 1.0 Texcare 240N (Clariant) 1.0 Ethanol 2.6 2.6 2.6 2.6 1.8 3.0 1.3 Propylene Glycol 4.6 4.6 4.6 4.6 3.0 4.0 2.5 Diethylene glycol 3.0 3.0 3.0 3.0 3.0 2.7 3.6 Polyethylene glycol 0.2 0.2 0.2 0.2 0.1 0.3 0.1 1.4 Monoethanolamine 2.7 2.7 2.7 2.7 4.7 3.3 1.7 0.4 Triethanolamine 0.9 NaOH to pH 8.3 to pH 8.3 to pH 8.3 to pH 8.3 to pH 8.3 to pH 8.3 to pH 8.3 to pH 8.5 Suds suppressor Dye 0.01 0.01 0.01 0.01 0.01 0.01 0.0 Perfume 0.5 0.5 0.5 0.5 0.7 0.7 0.8 0.6 Perfume MicroCapsules slurry (30%am) 0.2 0.5 0.2 0.3 0.1 0.3 0.9 1.0 Ethoxylated thiophene Hueing Dye 0.002 0.004 Water balance balance balance balance balance balance balance Balance - The following are granular detergent compositions produced in accordance with the invention suitable for laundering fabrics.
17 18 19 20 21 22 Linear alkylbenzenesulfonate with aliphatic carbon chain length Cl 1 -C12 15 12 20 10 12 13 Other surfactants 1.6 1.2 1.9 3.2 0.5 1.2 Phosphate builder(s) 2 25 4 3 2 Zeolite 1 1 4 1 Silicate 4 5 2 3 3 5 Sodium Carbonate 9 20 10 17 5 23 Polyacrylate (MW 4500) 1 0.6 1 1 1.5 1 Carboxymethyl cellulose (Finnfix BDA ex CPKelco) 1 - 0.3 - 1.1 - Xyloglucanase XYG1006* (mg aep/ 1 00g detergent) 1.5 2.4 1.7 0.9 5.3 2.3 Other enzymes powders 0.23 0.17 0.5 0.2 0.2 0.6 Fluorescent Briehtener(s) 0.16 0.06 0.16 0.18 0.16 0.16 Diethylenetriamine pentaacetic acid or Ethylene diamine tetraacetic acid 0.6 0.6 0.25 0.6 0.6 MgSO4 1 1 1 0.5 1 1 Bleach(es) and Bleach activator(s) 6.88 6.12 2.09 1.17 4.66 Perfume MicroCapsules 0.2 0.5 0.2 0.3 0.2 0.1 Sulfate/Moisture/perfume Balance to 100% - The following are granular detergent compositions produced in accordance with the invention suitable for laundering fabrics.
23 24 25 26 27 28 Linear alkylbenzenesulfonate with aliphatic carbon chain length C11-C12 8 7.1 7 6.5 7.5 7.5 Other surfactants 2.95 5.74 4.18 6.18 4 4 Layered silicate 2.0 - 2.0 - - - Zeolite 7 - 2 - 2 2 Citric Acid 3 5 3 4 2.5 3 Sodium Carbonate 15 20 14 20 23 23 Silicate 0.08 - 0.11 - - - Soil release agent 0.75 0.72 0.71 0.72 - - Acrylic Acid/Maleic Acid Copolymer 1.1 3.7 1.0 3.7 2.6 3.8 Carboxymethyl cellulose (Finnfix BDA ex CPKelco) 0.15 - 0.2 - 1 - Xyloglucanase XYG1006* (mg aep/100g detergent) 3.1 2.34 3.12 4.68 3.52 7.52 Other enzyme powders 0.65 0.75 0.7 0.27 0.47 0.48 Bleach(es) and bleach activator(s) 16.6 17.2 16.6 17.2 18.2 15.4 Perfume MicroCapsules 0.05 0.1 0.21 0.06 0.22 0.3 Sulfate/ Water & Miscellaneous Balance to 100% 1Random graft copolymer is a polyvinyl acetate grafted polyethylene oxide copolymer having a polyethylene oxide backbone and multiple polyvinyl acetate side chains. The molecular weight of the polyethylene oxide backbone is about 6000 and the weight ratio of the polyethylene oxide to polyvinyl acetate is about 40 to 60 and no more than 1 grafting point per 50 ethylene oxide units.
2 Polyethylenimine (MW = 600) with 20 ethoxylate groups per -NH.
3 Amphiphilic alkoxylated grease cleaning polymer is a polyethylenimine (MW = 600) with 24 ethoxylate groups per -NH and 16 propoxylate groups per -NH
4 Reversible Protease inhibitor of structure: - The dimensions and values disclosed herein are not to be understood as being strictly limited to the exact numerical values recited. Instead, unless otherwise specified, each such dimension is intended to mean both the recited value and a functionally equivalent range surrounding that value. For example, a dimension disclosed as "40 mm" is intended to mean "about 40 mm".
-
- <110> The Procter & Gamble Company
- <120> LAUNDRY DETERGENT COMPOSITION COMPRISING A GLYCOSYL HYDROLASE AND A BENEFIT AGENT CONTAINING DELIVERY PARTICLE
- <130> CM3250ML
- <160> 1
- <170> Patent In version 3.3
- <210> 1
<211> 524
<212> PRT
<213> Paenibacillus polyxyma - <400> 1
Claims (15)
- A laundry detergent composition comprising:(a) a glycosyl hydrolase having enzymatic activity towards both xyloglucan and amorphous cellulose substrates, wherein the glycosyl hydrolase is selected from GH families 5, 12,44 or 74(b) a benefit agent containing delivery particle comprising a core material and a wall materials that surrounds the core material, said particle having a Delivery Index of at least about 0.05 said composition being a consumer product; and(c) detersive surfactant.
- A composition according to claim 1, wherein the glycosyl hydrolase enzyme belongs to glycosyl hydrolase family 44.
- A composition according to any preceding claim, wherein the glycosyl hydrolase enzyme 5 has a sequence at least 80% homologous to sequence ID No. 1.
- A composition according to any preceding claim, wherein the composition is in the form of a liquid.
- A composition according to any preceding claim, wherein said particle has a Delivery Index of at least 7.
- A composition according any preceding claim, wherein said particle's core material comprises a material selected from the group consisting of perfume, silicone oils, waxes, hydrocarbons, higher fatty acids, essential oils, lipids, skin coolants, vitamins, sunscreens, antioxidants, glycerine, catalysts, bleach particles, silicon dioxide particles, malodor reducing agents, dyes, brighteners, antibacterial actives, antiperspirant actives, cationic polymers and mixtures thereof.
- A composition according any preceding claim, wherein said particle's wall material comprises a material selected from the group consisting of polyamine, polyurea, polyurethane polysaccharides and modified polysaccharides, gel forming proteins, modified celluloses, carboxylic acid containing acrylic polymers, gelatin, gum arabic, urea cross-linked with formaldehyde, urea crosslinked with gluteraldehyde, melamine crosslinked with formaldehyde. chitin and chitosan and modified chitin and modified chitosan, sodium alginate, latexes, silicon dioxide, sodium silicates and mixtures thereof.
- A composition according to any preceding claim, wherein said particle comprises at least 1 weight % of a benefit agent.
- A composition according to any preceding claim, wherein said particle comprises from 20 to 95 weight% of a benefit agent.
- A composition according to any preceding claim, wherein said particle's core material comprises, based on total core material weight, at least 20 wt% benefit agent.
- A composition according to any preceding claim, wherein said benefit agent comprises a perfume composition, said particle comprising, based on total particle weight, from 20 weight % to 95 weight % of said perfume composition.
- A composition according to any preceding claim, wherein said perfume composition comprises a Quadrant III perfume raw material.
- A composition according to any preceding claim, wherein said composition comprises, based on total composition weight, from 0.2 to 10 weight % of said particle.
- A composition according to any preceding claim, wherein the composition comprises a material selected from the group consisting of calcium formate, formic acid, polyamines and mixtures thereof.
- A method of treating and/or cleaning a situs, said method comprisinga.) optionally washing and/or rinsing said situs;b.) contacting said situs with a composition according to any preceding Claim; andc.) optionally washing and/or rinsing said situs.
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PL08869542T PL2242829T3 (en) | 2008-01-04 | 2008-12-19 | Laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particle |
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US1011208P | 2008-01-04 | 2008-01-04 | |
US11458408P | 2008-11-14 | 2008-11-14 | |
PCT/IB2008/055470 WO2009087525A1 (en) | 2008-01-04 | 2008-12-19 | Laundry detergent composition comprising a glycosyl hydrolase and a benefit agent containing delivery particle |
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EP1867707B1 (en) * | 2006-06-16 | 2011-09-07 | The Procter & Gamble Company | Detergent compositions |
EP1867708B1 (en) * | 2006-06-16 | 2017-05-03 | The Procter and Gamble Company | Detergent compositions |
DE102007013217A1 (en) | 2007-03-15 | 2008-09-18 | Clariant International Ltd. | Anionic Soil Release Polymers |
-
2008
- 2008-12-19 PL PL08869542T patent/PL2242829T3/en unknown
- 2008-12-19 BR BRPI0822230-4A patent/BRPI0822230A2/en not_active IP Right Cessation
- 2008-12-19 EP EP08869542A patent/EP2242829B1/en active Active
- 2008-12-19 JP JP2010541122A patent/JP5485171B2/en active Active
- 2008-12-19 RU RU2010125314/04A patent/RU2449008C2/en active
- 2008-12-19 CN CN2008801237661A patent/CN101910391B/en active Active
- 2008-12-19 WO PCT/IB2008/055470 patent/WO2009087525A1/en active Application Filing
- 2008-12-19 ES ES08869542T patent/ES2412682T3/en active Active
- 2008-12-19 CA CA2709360A patent/CA2709360C/en active Active
- 2008-12-22 US US12/341,730 patent/US8580720B2/en active Active
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2009
- 2009-01-05 AR ARP090100020A patent/AR070105A1/en not_active Application Discontinuation
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2010
- 2010-06-28 ZA ZA2010/04548A patent/ZA201004548B/en unknown
Also Published As
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BRPI0822230A2 (en) | 2015-06-23 |
CA2709360C (en) | 2014-08-19 |
ES2412682T3 (en) | 2013-07-12 |
RU2010125314A (en) | 2012-02-10 |
JP5485171B2 (en) | 2014-05-07 |
AR070105A1 (en) | 2010-03-17 |
ZA201004548B (en) | 2012-01-25 |
US8580720B2 (en) | 2013-11-12 |
JP2011508819A (en) | 2011-03-17 |
CA2709360A1 (en) | 2009-07-16 |
US20090176291A1 (en) | 2009-07-09 |
EP2242829A1 (en) | 2010-10-27 |
CN101910391B (en) | 2013-04-17 |
RU2449008C2 (en) | 2012-04-27 |
PL2242829T3 (en) | 2013-08-30 |
CN101910391A (en) | 2010-12-08 |
WO2009087525A1 (en) | 2009-07-16 |
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